method

install

ruby latest stable - Class: Gem::Resolver::Specification

install(options = {})

public

Installs this specification using the Gem::Installer options. The install method yields a Gem::Installer instance, which indicates the gem will be installed, or nil, which indicates the gem is already installed.

After installation #spec is updated to point to the just-installed specification.

# File lib/rubygems/resolver/specification.rb, line 84
  def install options = {}
    require 'rubygems/installer'

    destination = options[:install_dir] || Gem.dir

    Gem.ensure_gem_subdirectories destination

    gem = source.download spec, destination

    installer = Gem::Installer.at gem, options

    yield installer if block_given?

    @spec = installer.install
  end

install

Related methods